body{
	-moz-user-select: none; /*火狐*/ /*禁止用户在页面选择文字*/
            -webkit-user-select: none; /*webkit浏览器*/
            -ms-user-select: none; /*IE10*/
            -khtml-user-select: none; /*早期浏览器*/
            user-select: none;
	}
#login_frame {
    width: 450px;
    height: 300px;
    padding: 13px;
 
    position: absolute;
    left: 20%;
    top: 45%;
    
    background-color: rgba(149, 149, 149, 0.5);
 
    border-radius: 10px;
    text-align: center;
}
#image_logo {
    margin-top: 22px;
    
}
 
.label_input {
    font-size: 14px;
    font-family: 宋体;
 
    width: 65px;
    height: 28px;
    line-height: 28px;
    text-align: center;
 
    color: white;
    background-color: #3FAACC;
    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}
 
.text_field {
    width: 278px;
    height: 28px;
    border-top-right-radius: 5px;
    border-bottom-right-radius: 5px;
    border: 0;
}
 
#btn_login {
    font-size: 14px;
    font-family: 宋体;
 
    width: 200px;
    height: 28px;
    line-height: 10px;
    text-align: center;
 	
    color: white;
    background-color: #3faacc;
    border-radius: 6px;
 	cursor: pointer;
    float: left;
    margin: auto 100px 20px;
    display: inline-block;
}

 
#forget_pwd {
    font-size: 12px;
    color: white;
    text-decoration: none;
    position: relative;
    float: right;
    top: 5px;
 
}
 
#forget_pwd:hover {
    color: blue;
    text-decoration: underline;
}
 
#login_control {
    padding: 0 28px;
}
form p > * {
    display: inline-block;
    vertical-align: middle;}
.code{
            width: 344px;
            margin-right:auto;
        }
.input-val{
            width: 210px;
            background: #ffffff;
            height: 43px;           
            border-radius: 5px;
            border: none;
            border: 1px solid rgba(0,0,0,.2);
            font-size: 1.0625rem;
           
            
        }
#canvas{
            float:inherit;
            display: inline-block;
            border:1px solid #ccc;
            border-radius: 5px;
            cursor: pointer;
            background-color:#fff;  
            
        }
   